Glue gun



FIG. 1 is a perspective view of the glue gun showing the design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a right side view thereof;

FIG. 8 is a perspective view of the glue gun in a self-supporting position where a supporting rack is opened; and,

FIG. 9 is a front elevational view of the glue gun where a handle cover is opened. 

CLAIM The ornamental design for the glue gun, as shown and described. 